Materials Data on Er5Si3 by Materials Project
Er5Si3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 3-coordinate geometry to five equivalent Si atoms. There are a spread of Er–Si bond distances ranging from 2.88–3.39 Å. In the second Er site, Er is bonded in a 6-coordinate geometry to six equivalent Si atoms. All Er–Si bond lengths are 3.01 Å. Si is bonded in a 9-coordinate geometry to nine Er atoms.
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